Skip to Content
The Geek Atlas
book

The Geek Atlas

by John Graham-Cumming
May 2009
Intermediate to advanced
544 pages
13h 13m
English
O'Reilly Media, Inc.
Content preview from The Geek Atlas

054

Lacock Abbey, Wiltshire, England

gkat_054.pdf51° 24 53.1 N, 2° 7 1.85 W

icon_food.pdf icon_indoors.pdf

William Henry Fox Talbot

William Henry Fox Talbot invented the positive/negative photography technique while living at Lacock Abbey. He was a contemporary of Frenchman Louis Daguerre, who created the daguerreotype around the same time. Talbot’s invention allowed multiple prints to be made from a negative; Daguerre’s method created only a single image.

Initially, Talbot did not use a positive/negative: all his photographs were negatives. He made light-sensitive paper and used it to create contact prints: the object to be photographed (for example, a piece of lace) was placed in contact with the paper (or separated from it with a sheet of glass) and exposed to sunlight. This created a negative image that he termed a photogenic drawing.

Later, in 1841, he used these negatives to create positive prints by first taking a negative photograph, and then taking a photograph of the negative using the same technique. This he termed the calotype process. With one negative he could then make many positive prints.

In 1844, Talbot published the first book containing photographs. The Pencil of Nature contained just 24 photographs ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Monster

Monster

Paul Roehrig, Ben Pring
Brand Bible

Brand Bible

Debbie Millman
Reinforcements

Reinforcements

Heidi Grant
The New Fire

The New Fire

Ben Buchanan, Andrew Imbrie

Publisher Resources

ISBN: 9780596802257Errata